Flexible container



FIG. 1 is an isometric view of a top, front, and first side of an ornamental design for a flexible container;

FIG. 2 is an elevational view of a first side of the flexible container of FIG. 1;

FIG. 3 is an elevational view of a second side of the flexible container of FIG. 1;

FIG. 4 is a front elevational view of the flexible container of FIG. 1;

FIG. 5 is a rear elevational view of the flexible container of FIG. l.

FIG. 6 is a plan view of the flexible container of FIG. 1; and,

FIG. 7 is a bottom plan view of the flexible container of FIG. 1.

FIG. 7 is provided for context only and forms no part of the claimed design. All features shown in dashed lines are for context only and do not form part of the claimed design. 

The ornamental design for a flexible container, as shown and described. 